package com.jedis;

import redis.clients.jedis.Jedis;

import java.util.Random;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: ling
 * Date: 2023-01-02
 * Time: 16:23
 */
public class PhoneCode {
    public static void main(String[] args) {
        //模拟验证码发送
       // verifyCode("13678765434");
        getRedisCode("13678765434","232474");
    }
    //1.生成6位数字验证码
    public static String getCode() {
        Random random = new Random();
        StringBuilder code = new StringBuilder();
        for(int i=0;i<6;i++) {
            int rand = random.nextInt(10);
            code.append(rand);
        }
        return code.toString();
    }
    //2.每个手机每天只能发送3次，验证码放到redis中，设置过期时间
    public static void verifyCode(String phone) {
        //创建Jedis对象
        Jedis jedis = new Jedis("43.139.58.117",6379);
        jedis.auth("110412");
        //拼接key
        //手机发送次数key
        String countKey = "VerifyCode"+phone+":count";
        //验证码Key
        String codeKey = "VerifyCode"+phone+":code";
        //每个手机每天只能发送3次
        String count = jedis.get(countKey);
        if(count==null) {
            //没有发送次数，第一次发送
            //设置发送次数为1
            jedis.setex(countKey,24*60*60,"1");
        } else if(Integer.parseInt(count)<=2) {
            //发送次数加1
            jedis.incr(countKey);

        } else if(Integer.parseInt(count)>2) {
            //发送3次，不能再发送
            System.out.println("今天已经发送超过3次");
            jedis.close();
            return;
        }
        //发送验证码放到redis里面
        String vcode = getCode();
        jedis.setex(codeKey,120,vcode);
        jedis.close();
    }
    //3.验证码校验
    public static void getRedisCode(String phone,String code) {
        //从redis中获取验证码
        //创建Jedis对象
        Jedis jedis = new Jedis("43.139.58.117",6379);
        jedis.auth("110412");
        try {
            //验证码key
            String codeKey = "VerifyCode"+phone+":code";
            String redisCode = jedis.get(codeKey);
            //判断
            if(redisCode.equals(code)) {
                System.out.println("成功");
            } else {
                System.out.println("失败");
            }
        } catch (Exception o) {
            System.out.println("验证码过期");
        } finally {
            jedis.close();
        }


    }
}
